Twitter as a teaching practice to enhance active and informal learning in higher education: The case of sustainable tweets * Eva Kassens-Noor Active Learning in Higher Education, March 2012; vol. 13, 1: pp. 9-21. citare articol 2008
articole 2008/10 http://www.ocs.pleconf.org/index.php/pleconf/2012/paper/view/115 http://www.ocs.pleconf.org/index.php/pleconf/2012/paper/view/111 - cu documentul de lucru https://docs.google.com/document/d/1iwJ_mIf_W4fuqTQ4z_X1uGV6kOeS0jZq-Y8LSFjUBxc/edit?_escaped_fragment_=#cmnt